STRUCTURAL GEOLOGY Instructor: Zeng Zuoxun
STRUCTURAL GEOLOGY Instructor: Zeng Zuoxun
Chapter One Introduction G oals Outline Two supports Types of structures Quantitative techniques Application Suggestion
Chapter One Introduction • Goals • Outline • Two supports • Types of structures • Quantitative techniques • Application • Suggestion
GOALS Study and Learn 1) Techniques of structural analysis 2) Types of natural structures 3)Problem solving: 3D geometry, mechanics of materials. basic field methods 4) Applications to applied and basic earth science
GOALS Study and Learn 1) Techniques of structural analysis 2) Types of natural structures 3) Problem solving: 3D geometry, mechanics of materials, basic field methods 4) Applications to applied and basic earth science
OUTLINE OF THE COURSE 1)GEOMETRY AND GEOMETRICAL TECHNIQUES 2)COMMON STRUCTURES -JOINTS, FAULTS, FOLDS 3) MECHANICS- FORCES, STRESSES DEFORMATION 4)APPLICATIONS AND FIELD EXPERIENCE
OUTLINE OF THE COURSE 1) GEOMETRY AND GEOMETRICAL TECHNIQUES 2) COMMON STRUCTURES – JOINTS, FAULTS, FOLDS 3) MECHANICS – FORCES, STRESSES & DEFORMATION 4) APPLICATIONS AND FIELD EXPERIENCE
TERMINOLOGY STRUCTURAL GEOLOGY -study of deformed rocks and processes of deformation at atomic to regional scale (kilometers) TECTONICS -Study of deformed rocks and processes of deformation at regional to global scale. Dimensions of observation and measurement 1) Atomic- below resolution of optical microscope microns 2)Microscopic: centimeters 3)Mesoscopic: centimeters to tens of meters [ outcrop 4)Megascopic: tens of meters large
TERMINOLOGY STRUCTURAL GEOLOGY – study of deformed rocks and processes of deformation at atomic to regional scale (kilometers). TECTONICS – study of deformed rocks and processes of deformation at regional to global scale. Dimensions of Observation and Measurement 1) Atomic – below resolution of optical microscope [ ‘microns’ ] 2) Microscopic: tens of meters [‘ large ’ ]
fractUrinG Planet-scale Veining Key words: Structure Mechanics Tectonics Europa, moon of Jupiter, NASA Image
FRACTURING & Planet-scale Veining ? [Europa, moon of Jupiter, NASA Image] Key Words: Structure Mechanics Tectonics
SLOPE STABILITY geomorphology A STRUCTURAL GEOLOGY PROBLEM NASA IMAGE MARS
SLOPE STABILITY & GEOMORPHOLOGY A STRUCTURAL GEOLOGY PROBLEM NASA IMAGE MARS
TYPES OF STRUCTURES 1) PRIMARY: Part of rock forming process 2) TECTONIC: Forms during subsequent deformation of the rock or deposit Examples: Sedimentary bedding-Primary Igneous flow banding-Primary Thrust fault- Tectonic Anticline - Tectonic
TYPES OF STRUCTURES 1) PRIMARY: Part of rock forming process 2) TECTONIC: Forms during subsequent deformation of the rock or deposit Examples: Sedimentary bedding – Primary Igneous flow banding – Primary Thrust fault – Tectonic Anticline - Tectonic
PRIMARY SEDIMENTARY STRUCTURES Morrison Fm formation Summerville Fm contacts Curtis/ Fm. Entrada Sandstone
PRIMARY SEDIMENTARY STRUCTURES
